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Finding the Fourth Proportional to 542,000.04, 812,706.84 and 430,398.24

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Solution

The fourth proportional to 542,000.04, 812,706.84 and 430,398.24 is: 645,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,000.04 : 812,706.84 = 430,398.24 : x
  2. Step 2: Convert to fraction form
    542,000.04/812,706.84 = 430,398.24/x
  3. Step 3: Cross multiply
    542,000.04x = 812,706.84 × 430,398.24
  4. Step 4: Simplify right side
    542,000.04x = 349,787,593,571.96
  5. Step 5: Solve for x
    x = 349,787,593,571.96/542,000.04
  6. Step 6: Final answer
    x = 645,364.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.